Theia 2139

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UTI:
UCC Trust Index

C_N C_dens C_C3 C_lit C_dup
0.0 0.44 0.75 0.25 1.0
C3
N_50
r_50
BA 23 3.2
Summary

Theia 2139 is a sparse, loose object of high C3 quality. It is located at a moderate distance from the Sun, near the mid-plane. It was recently reported in the literature.

This object shares a moderate percentage of members with a later reported entry.

Warning: contains less than 25 stars with P>0.5 estimated.

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Positions

Reference RA DEC Plx pmRA pmDE Rv
Hunt & Reffert (2023) 201.65 -62.024 0.29 -5.621 -1.775 -74.446
Cavallo et al. (2024) 202.059 -62.084 0.289 – – –
Hunt & Reffert (2024) 201.65 -62.024 0.29 -5.621 -1.775 -74.446
           
UCC 201.747 -62.03 0.289 -5.675 -1.744 -99.813
Galactocentric position Galactocentric position diagram

How are the galactocentric plots generated?

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Estimated members

Theia 2139 UCC
Theia 2139 HUNT23

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Fundamental parameters

Reference Values
Hunt & Reffert (2023) AV50=2.863, diffAV50=2.539, MOD50=12.519, logAge50=7.059
Cavallo et al. (2024) AV50=2.74, dMod50=12.04, logAge50=7.72, [Fe/H]50=-0.05
Hunt & Reffert (2024) MassJ=494.914, MassTot=1233.96

Search coordinates in Bayestar19

Cluster region map

Objects with shared members

Cluster % RA DEC Plx pmRA pmDE Rv UTI
CWNU 4031 32.0 202.08 -62.07 0.3 -5.59 -1.77 -36.14 0.11